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Projects of ISO/TC 43/SC 2/WG 32

Document number Begin Title Comment
DIN EN ISO 10534-2 2026-02-24 Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO 10534-2:2023); German version EN ISO 10534-2:2023 More  Comment 
ISO/AWI 10534-3 2025-02-11 Acoustics - Determination of properties in impedance tubes - Part 3: Microphone technique for bulk properties More  Comment 
DIN EN ISO 9053-1 2024-11-04 Acoustics - Determination of airflow resistance - Part 1: Static method (ISO/FDIS 9053-1:2026); German version FprEN ISO 9053-1:2026 More  Comment 
ISO/FDIS 9053-1 2024-10-28 Acoustics - Determination of airflow resistance - Part 1: Static method More  Comment 

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